Dr. Custer serves as Principal Investigator on the NCETE ISU site. He was extensively involved in the development of the Standards for Technological Literacy and is current past president of the Council on Technology Teacher Education. He has served on a number of research committees at the National Academy of Engineering and the National Research Council. This research has concentrated primarily on developing, promoting, and assessing technological literacy. His stream of research has concentrated on technological design and problem solving. He is currently PI of a major NSF curriculum development project (Project Probase), which is designing standards-based curriculum for pre-engineering education.